Frithiof is a character from the Swedish epic poem "Frithiof's Saga," written by Esaias Tegnér in the early 19th century. The story follows Frithiof, a brave and noble Viking warrior, who is in love with Ingeborg, the daughter of a king. The saga explores themes of love, honor, and the struggles between personal desires and societal expectations. The poem is notable for its romantic and heroic elements, reflecting the ideals of Romanticism in literature. Frithiof's journey includes adventures, battles, and a quest for redemption, making him a symbol of the noble hero in Scandinavian folklore.